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@@ -14,25 +14,37 @@ It is also possible to use (by default enabled in the YSFReflector.ini) a callsi
 
 The result of this check can be overdriven by a whitelist-entry in the blocklist (for example: N0CALL is blocked by default by this expression but could be allowed for special bridging situations).
 
+### Muting Matrix
+Here you see a matrix documenting the behavior of the blocking-lists and configuration of regular expression (RE)-check:
+
+![Muting-Matrix](img/Muting-Matrix.png "Muting-Matrix")
+
+Within this table following descriptions for the cell-values should help understanding the table:
+* X: Any value
+* YES: set and matches with callsign/gateway/ip-address	
+* NO: not set	
+* 1: check via RE enabled, normal operation	
+* 0: check via RE disabled, but passes everything	
+* -1: check via RE disabled, but only pass whitelist	
+
 ### Avoiding Parallel Incomming Transmissions
 There is also a functionality implemented that prohibits parallel transmissions that can happen if two senders transmit at the same time. Here the principle 'first-comes-first-serves' is realized, so the second station in time will just be muted to not disturb the audio.
 
 ## Easy Installation And Upgrade
 Depending on your used operating system and python3-installation you just have to take care that following libraries are installed:
 
-* socket
-* threading
-* queue
-* sys
-* os
-* time
-* re
+* bisect
 * configparser
 * datetime
+* os
+* queue
+* re
 * signal
-* datetime
-* bisect
+* socket
 * struct
+* sys
+* threading
+* time
 
 In most installations this packages are already installed, otherwise you easily can install them with your system-package-manager (for example Debian: apt) or you use pip3 install <package>-command.
 
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